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List of works by Atsufumi Hirohata

A review of methods and data to determine raw material criticality

A silicon metal-oxide-semiconductor field-effect transistor Hall bar for scanning Hall probe microscopy

scientific article published on 01 August 2008

Activation Volumes in Co$_{2}$FeSi Thin Films

Advances in Antiferromagnetic Spintronics

Anisotropy in antiferromagnets

Anomalous Hall voltage rectification and quantized spin-wave excitation induced by simultaneous application of dc and rf currents in a single-layered Ni 81 Fe 19 nanoscale wire

Atomic Interfacial Structures in Fe/GaAs Films

article published in 2011

Ballistic spin filtering across ferromagnet/semiconductor interfaces at room temperature

Bias voltage effect on tunnel magnetoresistance in fully epitaxial MgO double-barrier magnetic tunnel junctions

Broadband ferromagnetic resonance of Ni 81 Fe 19 wires using a rectifying effect

Chemical and structural analysis on magnetic tunnel junctions using a decelerated scanning electron beam.

scientific article

Control of perpendicular magnetic anisotropy at the Fe/MgO interface by phthalocyanine insertion

Controllability of cupric particle synthesis by linear alcohol chain number as additive and pH control in cupric acetate solution using X-ray radiolysis

scientific article published on 12 September 2019

Controlling the half-metallicity of Heusler/Si(1 1 1) interfaces by a monolayer of Si–Co–Si

scientific article published on 09 August 2016

Correction to "Spin-polarized electron transport processes at the ferromagnet/semiconductor interface"

Correction: Corrigendum: Substantial reduction of critical current for magnetization switching in an exchange-biased spin valve

Correlating the interface structure to spin injection in abrupt Fe/GaAs(001) films

scholarly article in Physical Review B, vol. 87 no. 2, January 2013

Correlation of Microstructure and Transport Properties of Multilayered Graphene Spin Valves on SiO2/Si

Correlations between atomic structure and giant magnetoresistance ratio in Co2(Fe,Mn)Si spin valves

Current manipulation of a vortex confined in a micron-sized Fe19Ni81 disk

Current-induced crystallisation in a Heusler-alloy-based giant magnetoresistive junction for neuromorphic potentiation

Current-induced vortex-vortex switching in a nanopillar comprising two Co nano-rings

DC electrical response and impedance change induced by a microwave signal in a patterned ferromagnetic wire

Dependence of Curie temperature on Pt layer thickness in Co/Pt system

Development of antiferromagnetic Heusler alloys for the replacement of iridium as a critically raw material

scholarly article by Atsufumi Hirohata et al published 27 September 2017 in Journal of Physics D

Direct band-gap measurement on epitaxial Co2FeAl0.5Si0.5 Heusler-alloy films

Distinctive current-induced magnetization switching in a current-perpendicular-to-plane giant-magnetoresistance nanopillar with a synthetic antiferromagnet free layer

Domain formation induced by perpendicular spin injection

Domain nucleation processes in mesoscopic Ni80Fe20 wire junctions

Domain wall pinning for racetrack memory using exchange bias

Domain wall pinning for racetrack memory using exchange bias

Domain wall trapping in controlled submicron ferromagnetic elements

Domain wall trapping probed by magnetoresistance and magnetic force microscopy in submicron ferromagnetic wire structures

Domain-wall trapping in controlled mesoscopic ferromagnetic wire junctions

Easy-axis transition in epitaxial face-centered-cubic Ni80Fe20/Ni/Cu(100)

Effect of Seed Layers on Polycrystalline ${\rm Co}_{2}{\rm FeSi}$ Thin Films

Effect of ferromagnetism on AB oscillations in a normal-metal ring

Effect of grain cutting in exchange biased nanostructures

Effect of grain size on exchange-biased Heusler alloys

article

Effect of junction geometry on switching field and reversal behavior in permalloy wires

Effects of interdot dipole coupling in mesoscopic epitaxial Fe[100] dot arrays

Electron spin filtering in ferromagnet/semiconductor heterostructures

Enhancement of Exchange Bias in the ${\rm Co}_{2}{\rm FeSi/IrMn}$ System

Estimation of local and nonlocal contributions to the current-induced magnetization switching

Evaluation of edge domains in giant magnetoresistive junctions

Exchange Bias of Polycrystalline Heusler Alloy Thin Films

Exchange bias effects in Heusler alloy Ni2MnAl/Fe bilayers

article

Exchange bias induced at a Co 2 FeAl 0.5 Si 0.5 /Cr interface

Experimental inspection of a computationally-designed NiCrMnSi Heusler alloy with high Curie temperature

FOREWORD

Fabrication of Epitaxial Fe3O4 Film on a Si(111) Substrate.

scientific article published on August 2017

Fabrication of magnetic tunnel junctions with a metastable bcc Co 3 Mn disordered alloy as a bottom electrode

Future perspectives for spintronic devices

Geometric coercivity scaling in magnetic thin film antidot arrays

Global snapshot of the effects of the COVID-19 pandemic on the research activities of materials scientists between Spring and Autumn 2020

Growth and Characterisation of Antiferromagnetic Ni2MnAl Heusler Alloy Films

Growth and characterisation of antiferromagnetic polycrystalline Mn<inf>3</inf>Ga films

Growth and characterisation of ferromagnetic and antiferromagnetic Fe 2+ x V y Al Heusler alloy films

Growth and characterization of thin Cu-phthalocyanine films on MgO(001) layer for organic light-emitting diodes

scientific article

Growth of polycrystalline Heusler alloys for spintronic devices

Half-Metallic Bandgap Measurement Using Circularly Polarized Infrared Light

Heusler Alloy Films for Spintronic Devices

Heusler alloys for metal spintronics

Heusler alloys for spintronic devices: review on recent development and future perspectives

Heusler alloys with bcc tungsten seed layers for GMR junctions

Heusler-alloy films for spintronic devices

Highly Efficient Spin-Current Operation in a Cu Nano-Ring

scientific article

Highly efficient spin filtering of ballistic electrons

In-plane and perpendicular exchange bias effect induced by an antiferromagnetic D019 Mn2FeGa thin film

Influence of capping layer on the current-induced magnetization switching in magnetic nanopillars

Influence of crystalline structure on micromagnetic domain formation

Influence of crystalline structures on the domain configurations in controlled mesoscopic ferromagnetic wire junctions

Influence of lateral geometry on magnetoresistance and magnetisation reversal in Ni/sub 80/Fe/sub 20/ wires

Integration of antiferromagnetic Heusler compound Ru2MnGe into spintronic devices

Interfacial structure and magnetic properties of Co2FeAl0.5Si0.5/MgO heterostructures

Interfacial structure and transport properties of Fe/GaAs(001)

Investigation of the temperature-dependence of ferromagnetic resonance and spin waves in Co 2 FeAl 0.5 Si 0.5

Large exchange bias induced by polycrystalline Mn 3 Ga antiferromagnetic films with controlled layer thickness

Layer-by-layer crystallization of Co2FeSi Heusler alloy thin films

article published in 2011

Low-temperature crystallisation of Heusler alloy films with perpendicular magnetic anisotropy

MRAM makes its mark

Magnetic Force Microscopy for Magnetic Recording and Devices

Magnetic Properties of Epitaxial Co-Evaporated Fe:MgO Anti-Granular Films

Magnetic and structural properties of antiferromagnetic Mn 2 VSi alloy films grown at elevated temperatures

Magnetic braille using ferrofluids

Magnetic characterization and switching of Co nanorings in current-perpendicular-to-plane configuration

Magnetic domain evolution in permalloy mesoscopic dots

Magnetic domain evolution in permalloy mesoscopic dots

Magnetic domain studies of permalloy wire-based structures with junctions

Magnetic nanoscale dots on colloid crystal surfaces

Magnetic properties of L21-structured Co2(Cr,Fe)Al films grown on GaAs(001) substrates

Magnetic properties of epitaxial Co/sub 2/Cr/sub 1-x/Fe/sub x/Al full Heusler alloy thin films with the L2/sub 1/ structure

Magnetic properties of martensite in Fe-Ni alloy measured by means of scanning probe microscopy

Magnetic switching properties of magnetic tunnel junctions using a synthetic ferrimagnet free layer

Magnetic transport mechanism in double ferromagnetic tunnel junctions with two-dimensional ferromagnetic particles

Magnetic tunnel junctions with a B 2 -ordered CoFeCrAl equiatomic Heusler alloy

Magnetic tunnel junctions with metastable bcc Co 3 Mn electrodes

Magnetization reversal and magnetic anisotropy in Co network nanostructures

Magnetization reversal in mesoscopic Ni/sub 80/Fe/sub 20/ wires: a magnetic domain launching device

Magneto-optical detection of spin accumulation under the influence of mechanical rotation

scientific article published on 31 January 2018

Magnetoresistance in tunnel junctions using Co2(Cr,Fe)Al full Heusler alloys

Magnetoresistance of a domain wall at a submicron junction

Micromagnetic configurations of martensite in Fe-Ni alloys

Micromagnetism in mesoscopic epitaxial Fe dot arrays

New Bandgap Measurement Technique for a Half-Metallic Ferromagnet

Non-Destructive Imaging on Synthesised Nanoparticles

Non-destructive imaging for quality assurance of magnetoresistive random-access memory junctions

Non-destructive imaging of buried electronic interfaces using a decelerated scanning electron beam.

scientific article published on 02 September 2016

Observation of Magnetic-Switching and Multiferroic-Like Behavior of Co Nanoparticles in a C60Matrix

Observation of a bias-dependent constrained magnetic wall in a Ni point contact

Opportunities and challenges for spintronics in the microelectronics industry

Optimisation of geometrical ratchets for spin-current amplification

Optimization of exchange bias in Co 2 FeAl 0.5 Si 0.5 Heusler alloy layers

Optimization of exchange-biased Heusler alloys

Over 50% reduction in the formation energy of Co-based Heusler alloy films by two-dimensional crystallisation

article published in 2014

Perpendicular Anisotropy Controlled by Seed and Capping Layers of Heusler-Alloy Films

Perpendicular Anisotropy in Heusler Alloy Layers Induced by a V Seed Layer

Perpendicular Magnetic Anisotropy in Heusler Alloy Films and Their Magnetoresistive Junctions

scientific article

Pseudo-Hall effect and anisotropic magnetoresistance in a micron-scale Ni/sub 80/Fe/sub 20/ device

Realisation of magnetically and atomically abrupt half-metal/semiconductor interface: Co2FeSi0.5Al0.5/Ge(111).

scientific article

Revealing the importance of interfaces for pure spin current transport

Review on spintronics: Principles and device applications

scientific article published in September 2020

Roadmap for Emerging Materials for Spintronic Device Applications

Room-temperature structural ordering of a Heusler compound Fe 3 Si

Schottky Barrier Height in Fe/GaAs Films

article by L. R. Fleet et al published June 2010 in IEEE Transactions on Magnetics

Si segregation in polycrystalline Co2MnSi films with grain-size control

Spin dependent electron transport through the ferromagnet/semiconductor interface induced by photon excitation

Spin polarization control through resonant states in an Fe/GaAs Schottky barrier

Spin-current signal amplification by a geometrical ratchet

Spin-dependent electron transport at the ferromagnet/semiconductor interface

Spin-dependent electron transport in NiFe/GaAs Schottky barrier structures

Spin-dependent electron transport through the ferromagnet/semiconductor interface induced by photon excitation

Spin-dependent quantum oscillations in magnetic tunnel junctions with Ru quantum wells

Spin-polarized electron transport in a NiFe/GaAs Schottky diode

Spin-polarized electron transport in ferromagnet/semiconductor hybrid structures (invited)

Spin-polarized electron transport in ferromagnet/semiconductor hybrid structures induced by photon excitation

Spin-transfer-induced magnetic domain formation

Spin-transfer-torque-induced phenomena

Spintronics based random access memory: a review

article

Structural and antiferromagnetic characterization of noncollinear D019 Mn3Ge polycrystalline film

Structural and electrical properties of InSe polycrystalline films and diode fabrication

Structural and magnetic properties of epitaxial L21-structured Co2(Cr,Fe)Al films grown on GaAs(001) substrates

Switching of Skyrmion chirality by local heating

scientific article published on 17 September 2019

Temperature dependence of intrinsic switching current of a Co nanomagnet

Temperature estimation in a ferromagnetic Fe-Ni nanowire involving a current-driven domain wall motion

scientific article

Test of ballistic spin-polarized electron transport across ferromagnet/semiconductor Schottky interfaces

The 2020 magnetism roadmap

The Effect of Cobalt-Sublattice Disorder on Spin Polarisation in Co₂FexMn1-xSi Heusler Alloys

scientific article published on 25 February 2014

The antiphase boundary in half-metallic Heusler alloy Co2Fe(Al,Si): atomic structure, spin polarization reversal, and domain wall effects

The effect of atomic structure on interface spin-polarization of half-metallic spin valves: Co2MnSi/Ag epitaxial interfaces

The effect of film and interface structure on the transport properties of Heusler based current-perpendicular-to-plane spin valves

The effect of interfaces on magnetic activation volumes in single crystal Co2FeSi Heusler alloy thin films

The role of chemical structure on the magnetic and electronic properties of Co2FeAl0.5Si0.5/Si(111) interface

The role of industrial actors in the circular economy for critical raw materials: a framework with case studies across a range of industries

Thermal stability of exchange bias systems based on MnN

article

Tunnel magnetoresistance enhancement in ferromagnetic tunnel junctions with ferromagnetic nano-particle layer insertion

Tunnel magnetoresistance in fully epitaxial MgO double barrier magnetic tunnel junctions

Uniaxial anisotropy of two-magnon scattering in an ultrathin epitaxial Fe layer on GaAs